Ryo Horikawa (堀川 りょう, Horikawa Ryou) is a veteran voice actor born on February 1, 1958 in Osaka, Japan. He is married to fellow voice actress Oikawa Hitomi, whose natal name is also Horikawa. His former stage name was also Ryo Horikawa, albeit written 堀川亮 (same as his given name, Horikawa Makoto, but pronounced as Ryo). He changed the writing of his name to the present on April 3, 2001. He is the current representative director of talent agency Aslead Company. Horikawa started out as a child actor in elementary school. He made his debut in voice acting as the protagonist of the 1984 anime Yume Senshi Wingman. From there, he became famous for his roles as Andromeda Shun in Saint Seiya, Vegeta in Dragon Ball Z, Heiji Hattori (Harley Hartwell) in Detective Conan (Case Closed), and Reinhard in Legend of the Galactic Heroes. During his early years as voice actor he belonged to Aoni Production and later アーク・ライツ before joining with Aslead Company where he became representative director.
| Series | 聖闘士星矢-教皇刺客篇 | Shun (voice) | 2027 |
| Series | 聖闘士星矢-北欧篇(1988) | Shun (voice) | 2027 |
| Series | 聖闘士星矢-海皇篇(1989) | Shun (voice) | 2027 |
| Movie | Mononoke the Movie: Chapter II - The Ashes of Rage | Fujimaki (voice) | 2025-03-14 |
| Movie | Dragon Ball Z Kai | Vegeta (voice) (archive footage) | 2024-06-20 |
| Movie | Detective Conan: The Million-Dollar Pentagram | Heiji Hattori (voice) | 2024-04-12 |
| Movie | Hairpin Double | Ken Horibe / Race Control (voice) | 2022-03-25 |
| Movie | Detective Conan: Kaiju Gomera vs. Kamen Yaiba | Heiji Hattori (voice) | 2022-01-07 |
| Movie | Dragon Ball Super: Super Hero | Vegeta (voice) | 2022-06-11 |
| Movie | Kamen Rider Geats × Revice: Movie Battle Royale | バリデロ (voice) | 2022-12-23 |
| Series | Circlet Princess | Siegfried (voice) | 2019-01-08 |
| Movie | Detective Conan: The Scarlet School Trip | Heiji Hattori (voice) | 2019-11-22 |
| Series | Pop Team Epic | Pipimi (voice) | 2018-01-07 |
| Series | Super Dragon Ball Heroes | Vegeta / Xeno Vegeta (voice) | 2018-07-01 |
| Movie | Dragon Ball Super: Broly | Vegeta (voice) | 2018-12-14 |
| Movie | Detective Conan: Episode One - The Great Detective Turned Small | Heiji Hattori (voice) | 2017-01-20 |
| Movie | Case Closed: The Crimson Love Letter | Heiji Hattori (voice) | 2017-04-15 |
| Movie | Dragon Ball Z: The Real 4-D at Super Tenkaichi Budokai | Vegeta (voice) | 2017-06-30 |
| Movie | Dragon Ball Z: The Real 4-D | Vegeta (voice) | 2016-07-01 |
| Movie | Dragon Ball Z: Resurrection ‘F’ - Future Trunks Special Edition | Vegeta | 2016-08-27 |
| Series | Dragon Ball Super | Vegeta (voice) | 2015-07-05 |
| Series | Rainy Cocoa | Kouji Amami (voice) | 2015-04-05 |
| Movie | Dragon Ball Z: Resurrection 'F' | Vegeta (voice) | 2015-04-18 |
| Series | Maoyu: Archenemy & Hero | Old wise man (voice) | 2013-01-05 |
| Movie | Dream 9 Toriko x One Piece x Dragon Ball Z Super Collaboration Special!! | Vegeta (voice) | 2013-04-07 |
| Movie | Dragon Ball Z: Battle of Gods | Vegeta (voice) | 2013-03-30 |
| Movie | Detective Conan: Private Eye in the Distant Sea | Heiji Hattori (voice) | 2013-04-19 |
| Series | Hikonin Sentai Akibaranger | Tsu Shogun | 2012-04-06 |
| Movie | Legend of the Galactic Heroes Chapter 1 Sho Ginga Teikoku Hen | 2011-04-22 | |
| Movie | Asakusa Daydreams | 2011-09-03 | |
| Movie | Dragon Ball Z: Plan to Eradicate the Super Saiyans | Vegeta (voice) | 2010-11-11 |
| Movie | Detective Conan: The Lost Ship in the Sky | Heiji Hattori (voice) | 2010-04-17 |
| Movie | Samurai Sentai Shinkenger vs. Go-Onger: Silver Screen BANG!! | Akumaro Sujigaran (voice) | 2010-01-30 |
| Movie | Samurai Sentai Shinkenger Final Live Tour 2010 | Akumaro Sujigarano (voice) | 2010-04-18 |
| Movie | はじめましてトーマスシリーズ トーマスとこうざんてつどうのなかまたち | 2010-08-18 | |
| Series | Samurai Sentai Shinkenger | Akumaro Sujigarano | 2009-02-15 |
| Series | Dragon Ball Z Kai | Vegeta (voice) | 2009-04-05 |
| Movie | Detective Conan: The Raven Chaser | Heiji Hattori (voice) | 2009-04-18 |
| Movie | Dragon Ball: Yo! Son Goku and His Friends Return!! | Vegeta (voice) | 2008-09-21 |
| Series | Kenichi: The Mightiest Disciple | Natsu Tanimoto (voice) | 2006-10-07 |
| Movie | Detective Conan: The Private Eyes' Requiem | Heiji Hattori (voice) | 2006-04-15 |
| Series | Eien no Aseria - Spirit of Eternity Sword | 碧光陰 | 2005-06-24 |
| Movie | Saint Seiya Heaven Chapter: Overture | Shun (voice) | 2004-02-14 |
| Series | Ashita no Nadja | Antonio Fabiani (voice) | 2003-02-02 |
| Series | Body Transfer | Aoshima Ken'ichi (voice) | 2003-12-21 |
| Series | Knights of the Zodiac | 2003-08-30 | |
| Movie | Detective Conan: Crossroad in the Ancient Capital | Heiji Hattori (voice) | 2003-04-19 |
| Series | Saint Seiya: The Hades Chapter | Andromeda Shun (voice) | 2002-11-09 |
| Movie | Detective Conan: The Last Wizard of the Century | Heiji Hattori (voice) | 1999-04-17 |
| Movie | A.LI.CE | Nero (voice) | 1999-08-01 |
| Movie | Dr. Slump: Arale's Surprise Bang | Nikochan's Servant (voice) | 1999-03-06 |
| Series | Legend of the Galactic Heroes Gaiden | Reinhard von Lohengramm (voice) | 1998-02-09 |
| Series | TRIGUN | E.G. Mine (voice) | 1998-04-02 |
| Series | Sentimental Journey | Unknown | 1998-04-09 |
| Series | Dragon Ball GT | Vegeta (voice) | 1996-02-07 |
| Series | Detective Conan | Unknown | 1996-01-08 |
| Movie | Ultraman Super Fighter Legend | Ultraman Taro / Zetton (voice) | 1996-09-25 |
| Series | B-Fighter Kabuto | Pineappler (voice) | 1996-03-03 |
| Movie | Dragon Ball Z: Fusion Reborn | Vegeta / Gogeta / Veku (voice) | 1995-03-04 |
| Movie | Don't Lose, Makendo! | Doro (Voice) | 1995-03-24 |
| Series | Nurse Angel Ririka SOS | Bross | 1995-07-07 |
| Movie | Elf Princess Ren | 1995-10-27 | |
| Series | Saint Tail | Unknown | 1995-10-12 |
| Movie | Dragon Ball Z: Wrath of the Dragon | Vegeta (voice) | 1995-07-15 |
| Movie | Tamio Kageyama's Double Fantasy | Boku (voice) | 1994-01-02 |
| Movie | Crows | 1994-01-28 | |
| Series | Kizuna | Sagano Kai | 1994-08-12 |
| Series | Seven Cities Story: Arctic Front | Wei Liu (voice) | 1994-06-22 |
| Movie | Ghost Sweeper Mikami | Tadao Yokoshima (voice) | 1994-12-04 |
| Series | Homeroom Affairs | Koichi (voice) | 1994-08-26 |
| Series | Shippuu! Iron Leaguer | Ryuuken | 1993-04-06 |
| Movie | Dragon Ball Z: Broly - The Legendary Super Saiyan | Vegeta (voice) | 1993-03-06 |
| Series | Legendary Brave Swordsman Yaiba | Takeshi Onimaru (voice) | 1993-04-09 |
| Series | Miracle Girls | Masaki Takamura (voice) | 1993-01-08 |
| Movie | Dragon Ball Z: The History of Trunks | Vegeta (voice) | 1993-02-24 |
| Movie | Legend of the Galactic Heroes: Overture to a New War | Reinhard von Lohengramm | 1993-12-18 |
| Series | Please Save My Earth | Hokuto Yakushimaru (voice) | 1993-12-17 |
| Series | Ghost Sweeper GS Mikami | Tadao Yokoshima | 1993-04-11 |
| Series | Aoki Densetsu Shoot! | Makoto Saiki | 1993-11-07 |
| Movie | Dragon Ball Z Side Story: Plan to Eradicate the Saiyans | Vegeta (voice) | 1993-09-23 |
| Movie | Dragon Ball Z: Bojack Unbound | Vegeta (voice) | 1993-07-10 |
| Movie | Rokudenashi Blues 1993 | 1993-07-24 | |
| Movie | Dragon Ball Z: The Return of Cooler | Vegeta (voice) | 1992-03-07 |
| Movie | Candy Candy: The Movie | Brown, Anthony | 1992-04-25 |
| Series | Adventures of Puss-in-Boots | 1992-04-01 | |
| Movie | Dragon Ball Z: Super Android 13! | Vegeta (voice) | 1992-07-11 |
| Movie | Mobile Suit Gundam 0083: Afterglow of Zeon | Kou Uraki (voice) | 1992-08-29 |
| Movie | Rokudenashi BLUES | Yoneji Sawamura (voice) | 1992-07-11 |
| Series | Mobile Suit Gundam 0083: Stardust Memory | Kou Uraki (voice) | 1991-05-23 |
| Movie | Preventing the kidnapping of elementary school student Yumi | Rick | 1991-05-21 |
| Series | Slow Step | Naoto Kadomatsu | 1991-06-01 |
| Movie | Ziggy: Soreyuke! R&R Band | Nick | 1991-07-12 |
| Series | Yagami's Family Affairs | Futamura | 1990-05-25 |
| Movie | Willful Idol | Naoto (voice) | 1990-02-25 |
| Series | Samurai Pizza Cats | Michael | 1990-02-01 |
| Movie | Kennosuke-sama | Biker A (voice) | 1990-07-07 |
| Series | Magical Taluluto | Tsuyoshi Harako (voice) | 1990-09-02 |
| Movie | Dragon Ball Z: Bardock - The Father of Goku | Vegeta (voice) | 1990-10-17 |
| Movie | Far East of Eden: Ziria's Dreamlike Chapter | 1990-07-27 | |
| Series | Heavenly Chronicles | 1990-10-24 | |
| Movie | Eiji | Eiji Akagi | 1990-08-25 |
| Movie | Saint Seiya: Warriors of the Final Holy Battle | Shun (voice) | 1989-03-18 |
| Movie | The Five Star Stories | Ladyos Soap / Amateras no Mikado | 1989-03-11 |
| Series | Dragon Ball Z | Vegeta (voice) | 1989-04-26 |
| Movie | Crying Freeman 2: Shades of Death, Part 1 | Yang (voice) | 1989-08-01 |
| Series | Shuten Doji - The Star Hand Kid | 手天童子 | 1989-12-21 |
| Movie | Demon Hunter Makaryūdo | Sawaguchi (voice) | 1989-11-08 |
| Movie | Lady Lady!! The Movie | (voice) | 1988-03-13 |
| Movie | Saint Seiya: The Heated Battle of the Gods | Shun (voice) | 1988-03-12 |
| Series | Vampire Princess Miyu | Kei Yuzuki (voice) | 1988-07-21 |
| Movie | Legend of the Galactic Heroes: My Conquest Is the Sea of Stars | Reinhard von Lohengramm | 1988-02-06 |
| Series | Crying Freeman | Yang (voice) | 1988-11-25 |
| Movie | Saint Seiya: Legend of Crimson Youth | Shun (voice) | 1988-07-23 |
| Movie | Maison Ikkoku: The Final Chapter | Nozomu Nikaido | 1988-11-06 |
| Series | Legend of the Galactic Heroes | Reinhard von Lohengramm (voice) | 1988-12-21 |
| Movie | Xanadu: Legend of Dragonslayer | Fieg | 1988-08-03 |
| Movie | Space Fantasia 2001 Nights | Toby | 1987-06-21 |
| Movie | I'm All Yours | Rokurou Chikanaka | 1987-03-27 |
| Movie | Saint Seiya: Evil Goddess Eris | Shun (voice) | 1987-07-18 |
| Movie | Ganbare! Kickers: Bokutachi no Densetsu | Shintarō Horie | 1987-08-21 |
| Movie | Good Morning Althea | Garorii (voice) | 1987-12-16 |
| Series | Lady Lady!! | アーサー・ドレイク・ブライトン | 1987-10-21 |
| Movie | Lullaby for Wednesday's Cinderella | Kenji Hishiki (voice) | 1987-08-01 |
| Movie | Seito Shokun! Kokoro ni Midori no Neckerchief wo | (voice) | 1986-02-23 |
| Movie | Pelican Road Club Culture | Kenichi Watanabe | 1986-06-21 |
| Series | Saint Seiya | Shun (voice) | 1986-10-11 |
| Movie | Delpower X Bakuhatsu Miracle Genki! | Yousuke Miyamoto | 1986-12-21 |
| Movie | Space-Time Traveler - Time Stranger | 1986-12-20 | |
| Series | Touch | Takeshi Yoshida (voice) | 1985-03-24 |
| Movie | Bobby's Girl | Sachio Kubota (voice) | 1985-03-09 |
| Series | Konpora Kid | ヨー | 1985-06-03 |
| Series | Musashi no Ken | 夏木六三四 | 1985-04-18 |
| Movie | Lunn Flies into the Wind | Classmate (voice) | 1985-04-13 |
| Series | Dream Fighter Wingman | Kenta Hirono / Wingman (voice) | 1984-02-07 |
| Series | Sherlock Hound | Thal (voice) | 1984-11-06 |
| Series | Elves of the Forest | Seppo / Lasse | 1984-10-05 |
| Series | Kamen Rider | Himself | 1971-04-03 |
| Movie | Drunken Harbor | Boy | 1966-12-24 |
| Movie | Zatoichi and the Chess Expert | 1965-12-24 |